The essentials of illustration, a practical guide to the reproduction of drawings & photographs for the use of scientists & others (1915)
Hill, Thomas George, 1876- · London, W. Wesley & Son · leaf 88
Pig. 5 … RELIEF PRINTING Paget or Messrs. Wratten for instance, and fromthem the inexperienced should obtain full informationregarding exposure, etc., for it is essential that the ex-posure of the negatives should be correlated in order thatall may have the same tone-value. The colour-screens, blue, green…
Engraving -- Printing · Illustration of books · Photomechanical processes
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
